2021 Audi A3
1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
£18,990
Fair price: within 8% of the typical £18,132 for this model, age and mileage, drawing on 6,484 adverts of this make and model.
Overview
- Make
- Audi
- Model
- A3
- Trim
- S LINE
- Version
- 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
- Mileage
- 43,900 miles
- Year
- 2021
- Fuel type
- Petrol Hybrid
- Body type
- Hatchback
- Engine
- 1.5 L
- Gearbox
- Automatic
- Power
- 148 bhp
- Seats
- 5
- CO2
- 135 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- S tronic
- Engine badge
- TFSI
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
This 2021 Audi A3 S Line has covered 43,900 miles. Our estimated market asking price is £18,132. This car is advertised at £18,990, which is £858 above that figure. Our estimate draws on 6,484 Audi A3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 20 days ago. Its recorded MOT is valid until 22 December 2026, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Prestige Cars Of Essex in Epping Forest.
Stock data from 19 October 2026.
Price history
First seen on 30 September 2026, 20 days ago. Advert duration calculated on 20 October 2026.
| Date observed | Asking price |
|---|---|
| 30 September 2026 | £18,990 |
| 19 October 2026 | £18,990 |
Price and mileage comparison
Estimated market asking price: £18,132. The asking price is £858 above this estimate.
The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.
The pricing calculation includes 6,484 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 1,100 miles higher than typical for a 2021 Audi A3.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 22 December 2026. 32,682 miles at the last test.
97 other cars with the same year, trim, gearbox and fuel are for sale from £11,995 to £21,995.
| Asking price | Mileage |
|---|---|
| £11,995 | 120,530 miles |
| £12,490 | 111,668 miles |
| £12,999 | 57,000 miles |
| £13,490 | 108,000 miles |
| £13,700 | 96,353 miles |
These cars have covered 12,650–120,530 miles, compared with 43,900 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.
Browse all Audi A3 cars for sale · 2021 Audi A3 price guide
Similar cars for less
- 2023 Audi A3, 35,650 miles, £14,995, £4,878 under typical, Barnet
- 2024 Audi A3, 26,200 miles, £14,489, £4,676 under typical, Bradford
- 2025 Audi A3, 35,874 miles, £15,750, £4,926 under typical, Hadleigh
Dealer
Prestige Cars Of Essex, Epping Forest. Across the dealer network: 293 cars for sale.
Dealer postcode: CM5 0ER.
